FT-C Vertical Electric Thermal Fluid Heater Manual 12 2013 ISSUE 1
A - Fluid Outlet
B - Top Mounted Burner
C - Fluid Inlet
D - Control Panel
E - Fan Inlet
Notes
1. Thermal uid heater is of four-pass combustion design.
2. First pass (radiant): combustion air enters burner fan and travels upward between inner and
outer jacket before it enters top-mounted burner.
3. Second pass (convection): Gases travel back across the inner row of coils.
4. Third pass (convection): Gases continue back down between inner and outer coil.
5. Fourth pass: Upward between the outer coil and inner jacket to the ue outlet.